* { box-sizing: border-box; }
body { margin: 0; background: #f3f4f6; color: #111827; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 1.5rem; margin: 0 0 16px; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 16px; padding: 16px; margin-bottom: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.hint { color: #4b5563; font-size: .9rem; margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.field { display: block; }
.field.wide { grid-column: 1 / -1; }
.field > span { display: block; font-size: .75rem; font-weight: 600; color: #4b5563; margin-bottom: 4px; }
input[type=text], input[type=email], input[type=tel], input[type=date], textarea {
    width: 100%; padding: 9px 12px; border: 1px solid #d1d5db; border-radius: 12px; background: #f9fafb; font: inherit;
}
input:focus, textarea:focus { outline: 2px solid #3b82f6; outline-offset: 0; background: #fff; }
input.bad { outline: 2px solid #ef4444; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 12px 0; font-size: .9rem; }
.btn { display: inline-block; border: 1px solid #d1d5db; background: #f9fafb; color: #111827; padding: 10px 16px; border-radius: 12px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: #f3f4f6; }
.btn.primary { background: #2563eb; border-color: #2563eb; color: #fff; }
.btn.primary:hover { background: #1d4ed8; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; padding: 8px 12px; border-radius: 12px; }
.token { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 1.15rem; letter-spacing: .05em; }
.muted { color: #6b7280; font-size: .85rem; }
details textarea { margin-top: 8px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .75rem; }

.standby { text-align: center; padding: 40px 20px; }
.standby-icon { font-size: 3rem; margin-bottom: 8px; }
[hidden] { display: none !important; }